/// <summary>
/// Restores the view-state information from a previous user control request that was saved by the <see cref="M:System.Web.UI.UserControl.SaveViewState" /> method.
/// </summary>
/// <param name="savedState">An <see cref="T:System.Object" /> that represents the user control state to be restored.</param>
protected override void LoadViewState( object savedState )
{
base.LoadViewState( savedState );
var familyMembers = new List<GroupMember> ();
List<string> jsonStrings = ViewState["FamilyMembers"] as List<string>;
jsonStrings.ForEach( j => familyMembers.Add( GroupMember.FromJson( j ) ) );
CreateControls( familyMembers, false );
}